diff --git a/Userland/Libraries/LibJS/Runtime/Object.cpp b/Userland/Libraries/LibJS/Runtime/Object.cpp
index 6e650d5e09..8033ab6dfc 100644
--- a/Userland/Libraries/LibJS/Runtime/Object.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Object.cpp
@@ -1069,7 +1069,7 @@ void Object::set_prototype(Object* new_prototype)
         m_shape = shape.create_prototype_transition(new_prototype);
 }
 
-void Object::define_native_accessor(Realm& realm, PropertyKey const& property_key, Function<ThrowCompletionOr<Value>(VM&)> getter, Function<ThrowCompletionOr<Value>(VM&)> setter, PropertyAttributes attribute)
+void Object::define_native_accessor(Realm& realm, PropertyKey const& property_key, SafeFunction<ThrowCompletionOr<Value>(VM&)> getter, SafeFunction<ThrowCompletionOr<Value>(VM&)> setter, PropertyAttributes attribute)
 {
     FunctionObject* getter_function = nullptr;
     if (getter)
@@ -1118,7 +1118,7 @@ Value Object::get_without_side_effects(PropertyKey const& property_key) const
     return {};
 }
 
-void Object::define_native_function(Realm& realm, PropertyKey const& property_key, Function<ThrowCompletionOr<Value>(VM&)> native_function, i32 length, PropertyAttributes attribute)
+void Object::define_native_function(Realm& realm, PropertyKey const& property_key, SafeFunction<ThrowCompletionOr<Value>(VM&)> native_function, i32 length, PropertyAttributes attribute)
 {
     auto* function = NativeFunction::create(realm, move(native_function), length, property_key, &realm);
     define_direct_property(property_key, function, attribute);
diff --git a/Userland/Libraries/LibJS/Runtime/Object.h b/Userland/Libraries/LibJS/Runtime/Object.h
index 6498ca841a..93a29a0256 100644
--- a/Userland/Libraries/LibJS/Runtime/Object.h
+++ b/Userland/Libraries/LibJS/Runtime/Object.h
@@ -22,6 +22,7 @@
 #include <LibJS/Runtime/PropertyKey.h>
 #include <LibJS/Runtime/Shape.h>
 #include <LibJS/Runtime/Value.h>
+#include <LibJS/SafeFunction.h>
 
 namespace JS {
 
@@ -150,8 +151,8 @@ public:
     void define_direct_property(PropertyKey const& property_key, Value value, PropertyAttributes attributes) { storage_set(property_key, { value, attributes }); };
     void define_direct_accessor(PropertyKey const&, FunctionObject* getter, FunctionObject* setter, PropertyAttributes attributes);
 
-    void define_native_function(Realm&, PropertyKey const&, Function<ThrowCompletionOr<Value>(VM&)>, i32 length, PropertyAttributes attributes);
-    void define_native_accessor(Realm&, PropertyKey const&, Function<ThrowCompletionOr<Value>(VM&)> getter, Function<ThrowCompletionOr<Value>(VM&)> setter, PropertyAttributes attributes);
+    void define_native_function(Realm&, PropertyKey const&, SafeFunction<ThrowCompletionOr<Value>(VM&)>, i32 length, PropertyAttributes attributes);
+    void define_native_accessor(Realm&, PropertyKey const&, SafeFunction<ThrowCompletionOr<Value>(VM&)> getter, SafeFunction<ThrowCompletionOr<Value>(VM&)> setter, PropertyAttributes attributes);
 
     virtual bool is_function() const { return false; }
     virtual bool is_typed_array() const { return false; }